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What times what equals -120 and adds up to 14
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Nov 17, 2017
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What times what equals -120 and adds up to 14
Mathematics
high-school
Ruben Marrero
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Ruben Marrero
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you can solve it with the following method:
a+b=14
a=14-b
axb=-120
(14-b)b=-120 (replace the a value in terms of b found in the last step)
-b²+14b=-120
-b²+14b+120=0
using the quadratic equation you should get b= 20 and -6
Walter Sun
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Nov 18, 2017
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Walter Sun
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Hello!,
-200 + 80 = -120 then
-120+134=14
Len
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Nov 24, 2017
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Len
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